Sunday, January19, 2020
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Marine Weather and Tides
Mashantucket, CT

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:08AMSunset 4:48PM Sunday January 19, 2020 5:44 AM EST (10:44 UTC) Moonrise 3:07AMMoonset 1:36PM Illumination 32% Phase: Waning Crescent; Moon at 24 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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ANZ237 Block Island Sound- 411 Am Est Sun Jan 19 2020
.small craft advisory in effect through Monday morning...
Today..W winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon. Gusts up to 30 kt. Seas 4 to 6 ft.
Tonight..NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Light freezing spray.
Mon..NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft.
Mon night..NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Tue and Tue night..NW winds 5 to 10 kt. Seas 2 to 3 ft.
Wed through Thu night..W winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
ANZ200 411 Am Est Sun Jan 19 2020
Synopsis for massachusetts and rhode island coastal waters.. Low pres across northern new england will move east into the canadian maritimes today. A cold front will then cross the waters late this afternoon and evening. Large high pres will then build in from the west and remain in the vicinity of the waters for most of the work week. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the current hazards link above the map on the left.


7 Day Forecast for Marine Location Near Mashantucket, CT
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location: 41.46, -71.97     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 190903 AFDOKX

Area Forecast Discussion National Weather Service New York NY 403 AM EST Sun Jan 19 2020

SYNOPSIS. Low pressure to the north moves well to the northeast today as high pressure builds into the central United States. High pressure builds in slowly from the west settling over the region by midweek.

NEAR TERM /UNTIL 6 PM THIS EVENING/. Deep layered cyclonic flow will persist through today as energy continues to rotate through the upper level longwave trough. Meanwhile as low level and surface trough will remain across southern New England into the lower Hudson Valley as a secondary low develops off the New England coast. Moisture remains and with energy coming through the upper trough this afternoon skies will become mostly cloudy. There remains a chance of a few flurries inland, and have added isolated flurries across portions of northeastern New Jersey into the lower Hudson Valley. Heights begin to rise early this evening as the trough weakens and the parent low moves well to the northeast, and ridging builds to the west.

Temperatures will remain near or above seasonal levels today as the arctic cold does not arrive until later tonight into Monday.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM MONDAY/. The 500mb trough will remain as an Alberta clipper rotates through the central states. However, ridging will continue to build as surface high pressure slides to the southeast. Arctic cold moves into the area later tonight and Monday with below normal temperatures.

LONG TERM /MONDAY NIGHT THROUGH SATURDAY/. The Canadian high continues to build slowly, reaching the area by mid to late week. The core of the arctic cold will remain to the southwest of the region, and by Wednesday temperatures begin to moderate, rising back to above normal by late in the week. The area sits between the departing low and front well to the northeast, and the high across the mid west, resulting in a cold and gusty N/NW wind through Monday night. These chilly winds begin to abate Tuesday as the pressure gradient relaxes.

Upper northern stream trough over the northeast, with digging shortwave that rounds the base of the trough and passes well to the south by mid week. Ridge builds thereafter ahead of next trough that approaches by next weekend.

Dry weather will remain Monday night through late in the week.

Temps aloft too warm for anything but rain by next Saturday. If temps are initially too cold, dependent on when precip arrives, some freezing rain is possible.

AVIATION /09Z SUNDAY THROUGH THURSDAY/. Low pressure and its associated frontal system moves east of the region early this morning, and then slowly up through the Canadian Maritimes today.

Conditions gradually improve to MVFR early this morning, and then VFR during morning push. BKN cigs 3.5 to 4.5 kft expected to develop in the afternoon/evening. A few -ra/sn showers possible in the afternoon. Any residual showers dissipate by the late evening and overnight hours.

SW winds 10-15ktG20-25kt this morning switch W/WNW winds 15-20G25kt developing by mid to late morning and continuing through evening push. Winds expected to be left of 300 true for morning push, but could veer to the right of that for evening push.

OUTLOOK FOR 06Z MONDAY THROUGH THURSDAY. Sunday Night. VFR. NW gusts 20-25kt. Monday-Thursday. VFR.

MARINE. SCA level south winds gusting 20-25 kts over the ocean waters now are expected to switch west during the day Sunday but remaining around SCA levels. These west winds could be brisk over the sound. As a result a small craft advisory is en effect for the Long Island Sound until 6pm Sunday. Winds diminish below SCA criteria there after as a northwest flow of 10-15 kts settles over the marine zones.

Waters should remain below advisory criteria all of next week owing to a surface high pressure system that builds into the forecast area. Generally light north winds of 5-10 kts with waves ranging 1-2 feet through Friday. South winds after Friday expect ahead of the next system.

HYDROLOGY. No hydrologic impacts are expected through Friday.

EQUIPMENT. NYC NOAA Weather Radio Station KWO35 (162.55 MHz) is still operating at reduced power.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory from 7 AM this morning to 6 PM EST this evening for ANZ330-335-338-340-345. Small Craft Advisory until 7 AM EST Monday for ANZ350-353-355.

SYNOPSIS . 19 NEAR TERM . 19 SHORT TERM . 19 LONG TERM . 19/PW AVIATION . DJ/16 MARINE . DJ/16 HYDROLOGY . 19 EQUIPMENT .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NLNC3 - 8461490 - New London, CT 9 mi57 min WSW 6 G 8.9 37°F 43°F1003.5 hPa
LDLC3 - New London Ledge CT - Ledge Light Weather 12 mi35 min W 17 G 20 38°F 999.4 hPa35°F
MTKN6 - 8510560 - Montauk, NY 28 mi63 min 39°F 40°F1004.3 hPa
QPTR1 - 8454049 - Quonset Point, RI 31 mi63 min SW 6 G 9.9 38°F 40°F1003.6 hPa
NWPR1 - 8452660 - Newport, RI 34 mi57 min WSW 8 G 9.9 38°F 35°F1003.3 hPa
NAXR1 - Narragansett Bay Reserve, RI 36 mi60 min W 6 37°F 1003 hPa37°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 36 mi57 min W 5.1 G 8 38°F 1003.8 hPa
PRUR1 37 mi57 min 38°F 37°F
CPTR1 - 8452944 - Conimicut Light, RI 38 mi57 min SW 4.1 G 6 37°F 38°F1003.2 hPa
PVDR1 38 mi57 min SSW 5.1 G 6 37°F 1003.2 hPa36°F
FOXR1 - 8454000 - Providence, RI 39 mi57 min SW 4.1 G 7 34°F 38°F1003 hPa
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 45 mi57 min SW 8.9 G 11 39°F 1003.3 hPa
FRXM3 45 mi63 min 39°F 37°F
FRVM3 - 8447386 - Fall River, MA 46 mi63 min 38°F 40°F1003.5 hPa

Wind History for New London, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Groton / New London, Groton / New London Airport, CT10 mi49 minW 9 G 1710.00 miOvercast37°F35°F93%1003.4 hPa
Westerly, Westerly State Airport, RI12 mi52 minW 78.00 miLight Rain39°F35°F86%1003.8 hPa
Willimantic, Windham Airport, CT23 mi53 minN 06.00 miFog/Mist28°F27°F96%1003.6 hPa

Link to 5 minute data for KGON

Wind History from GON (wind in knots)
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Last 24hrN10N7NW7N5CalmS4SE4S5S4S6E3NE6E6SW15S14S16S10NW4W3W6W13W9
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1 day agoNW17
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N10N10NW11NW7NW7N9NW11N8NW9NW8NW6NW5
2 days agoSE9SE9SW8W11
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Tide / Current Tables for Norwich, Connecticut
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Norwich
Click for Map
Sun -- 02:07 AM EST     Moonrise
Sun -- 04:49 AM EST     3.37 feet High Tide
Sun -- 07:10 AM EST     Sunrise
Sun -- 11:41 AM EST     -0.13 feet Low Tide
Sun -- 12:36 PM EST     Moonset
Sun -- 04:47 PM EST     Sunset
Sun -- 05:23 PM EST     2.38 feet High Tide
Sun -- 11:42 PM EST     0.04 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.41.222.73.23.43.12.621.30.6-0-0.10.30.91.522.42.321.71.20.60.2

Tide / Current Tables for The Race, Long Island Sound, New York Current
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The Race
Click for Map
Sun -- 12:15 AM EST     0.00 knots Slack
Sun -- 02:07 AM EST     Moonrise
Sun -- 03:13 AM EST     2.80 knots Max Flood
Sun -- 06:37 AM EST     -0.00 knots Slack
Sun -- 07:09 AM EST     Sunrise
Sun -- 09:43 AM EST     -3.20 knots Max Ebb
Sun -- 12:37 PM EST     Moonset
Sun -- 01:11 PM EST     0.01 knots Slack
Sun -- 03:57 PM EST     2.43 knots Max Flood
Sun -- 04:48 PM EST     Sunset
Sun -- 07:14 PM EST     -0.00 knots Slack
Sun -- 10:08 PM EST     -2.71 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.412.22.82.620.9-0.6-2-3-3.2-2.6-1.6-0.31.12.12.42.21.50.3-1.1-2.2-2.7-2.4

Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New York City/Upton, NY (5,6,7,8)
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Ground Weather Radar Station Boston, MA
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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.